บท 1973: Chapter 1,868, ancient humans

When he entered the underground world, he could no longer see any traces of the green-robed yin-yang Elder.

He could only rely on the compass to confirm that the three disciples who were carrying out the mission were already quite far away, and their lives were not in danger yet.

He carefully observed the dark underground world. The Yin energy here was extremely heavy, and it was precisely the environment that the nine yin grass preferred. The probability of the nine yin grass appearing was indeed not low.

Su Yu used his clairvoyance to scan the surroundings and clearly discovered many strange-looking ancient beasts hiding in the darkness to hunt their prey.

“It is indeed a rather complete ancient landscape. There is a very complete ecological chain preserved,”Su Yu thought to himself.

Although their cultivation was rather weak, there should be a few dangerous beasts that stood at the top of the food chain.

He was cautious as he slowly moved forward to investigate.